<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
  <meta name="renderer" content="webkit">
  <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
  <link rel="icon" href="<%= BASE_URL %>favicon.ico">
  <title><%= webpackConfig.name %></title>
  <!--[if lt IE 11]><script>window.location.href='/html/ie.html';</script><![endif]-->
  <style>
    html,
    body,
    #app {
      height: 100%;
      margin: 0px;
      padding: 0px;
    }

    /* 新增QUIZ加载动画 */
    #quiz-loader {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: #4a4a8c;
      z-index: 9999;
      display: flex;
      justify-content: center;
      align-items: center;
      transition: opacity 0.5s ease;
    }

    .quiz-letter {
      font-family: Arial, sans-serif;
      font-size: 4rem;
      font-weight: bold;
      color: #fff;
      opacity: 0;
      transform: translateY(-20px);
      animation: letterDrop 0.8s ease forwards;
      text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    }

    @keyframes letterDrop {
      0% {
        opacity: 0;
        transform: translateY(-40px);
      }
      100% {
        opacity: 1;
        transform: translateY(0);
      }
    }

    .quiz-letter:nth-child(1) { animation-delay: 0.1s; color: #FF6B6B; }
    .quiz-letter:nth-child(2) { animation-delay: 0.3s; color: #4ECDC4; }
    .quiz-letter:nth-child(3) { animation-delay: 0.5s; color: #FFE66D; }
    .quiz-letter:nth-child(4) { animation-delay: 0.7s; color: #FF6B6B; }

    /* 添加呼吸动画 */
    @keyframes breathe {
      0%, 100% { transform: scale(1); }
      50% { transform: scale(1.1); }
    }

    .loaded #quiz-loader {
      opacity: 0;
      pointer-events: none;
    }

    /* 保留原有的加载完成过渡 */
    .loaded #loader-wrapper {
      visibility: hidden;
      transform: translateY(-100%);
      transition: all 0.3s 1s ease-out;
    }
  </style>
</head>
<body>
<div id="app">
  <div id="quiz-loader">
    <div class="quiz-letter">Q</div>
    <div class="quiz-letter">U</div>
    <div class="quiz-letter">I</div>
    <div class="quiz-letter">Z</div>
  </div>

  <!-- 保留原有加载结构 -->
  <div id="loader-wrapper">
    <div class="loader-section section-left"></div>
    <div class="loader-section section-right"></div>
  </div>
</div>
</body>
</html>
